cc.game.on(cc.game.EVENT_ENGINE_INITED, () => {
    let physicsManager = cc.director.getPhysicsManager();
    physicsManager.enabled = true;
    
    physicsManager.debugDrawFlags = 
         0;
        // // cc.PhysicsManager.DrawBits.e_aabbBit |
        // cc.PhysicsManager.DrawBits.e_jointBit |
        // cc.PhysicsManager.DrawBits.e_shapeBit
        // ;
});

